Hi Vitor, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on c63d2dd7e134ebddce4745c51f9572b3f0d92b26] url: https://github.com/0day-ci/linux/commits/Vitor-Massaru-Iha/lib-overflow_k... base: c63d2dd7e134ebddce4745c51f9572b3f0d92b26 config: x86_64-randconfig-c002-20200719 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): The variable suites references the variable __initdata overflow_test_suite If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org